查询词典 fluorobenzene

Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物，如甲苯，二甲苯，萘，四氢萘和甲基萘；氯代芳香族碳氢化合物，如氯苯，氟，氯萘和萘；酯类，如醋酸丁酯，醋酸乙酯，苯甲酸甲酯，苯甲酸乙酯，苄酯，苯甲酸正丁酯，苯，醋酸丁酯乳酸，乳酸苄，二甘醇二丙酸酯，邻苯二甲酸二甲酯，邻苯二甲酸二乙酯，邻苯二甲酸二丁酯，二（2乙基己基）酯；醇有6个或更多碳原子，如己醇，辛醇，苯甲醇，苯乙醇，苯氧基乙醇，丙醇和苯氧基苯氧丁醇；醚至少有5个碳原子，最好荤5-14醚，如苯甲醚和phenetol；硝化棉，纤维素醚，醋酸纤维素，低气味石油蒸馏；松节油；白酒，石脑油isopropylbiphenyl；萜类，植物油，矿物油，挥发油；和天然油，以及任何两个或两个以上其混合物。

Comparing with the photodissociation of bromobenzene, the extra fluorine atom of fluorobenzene accelerates the rate of the internal conversion from the state to the state, and the different positions on the phenyl ring also have distinct effect on it.

与溴苯相比，氟溴苯上的氟原子显著加快了解离的速度，并且氟原子在苯环上的位置的不同对解离速度也有显著影响。

At present, since fluorobenzene liquid crystal and cyclohexyl crystal are very popular liquid crystals. some research have done on the synthesis of the intermediate, fluorophenol and alkylcyclohexylbenzene compounds in this thesis.

本论文的主要内容分为两部分：第一部分，针对目前液晶材料研究的热点：含氟液晶和环己烷类液晶，就其液晶材料中间体氟代苯酚和烷基环己基苯类化合物的合成进行研究。

A process for preparingp-fluo-2-(2-methyl-3-propionyl)-4-oxy-N,3-diphenyl-phenylbutylamide includes such steps as Friedle-Craft acylating of newly prepared phenylacetyl chloride and fluorobenzene under catalysis of AlCl3 to obtain 4-fluoro-phenylbenzyl ketone, brominating at carbonyl alpha position under catalysis of less AlCl3 to obtain alpha-bromo-4-fluo-phenylbenzyl ketone, and condensing with isobutyryl acetanilide under action of sodium ethoxide.

本发明涉及一种制备对氟－2－(2－甲基－3－氧丙基)－4－氧－N，3－二苯基－苯丁酰胺(1)的方法，其包括以下步骤：新制的苯乙酰氯与氟苯在AlCl3催化下进行Friedle－Craft酰化反应，得到对4－氟－苯基苄基酮(4)；化合物(4)在少量AlCl3催化下进行羰基α位溴化，得到α－溴－4－氟－苯基苄基酮(5)；然后(3)异丁酰乙酰苯胺在乙醇钠作用下与化合物(5)进行缩合。

The construction in the future: 6 produce 10000 tons of HFC-152a, the substitute of ODS and 4000 tons of HCFC-142b a year; 7 produce 7000 tons of HCFC-123 and 3000 tons of-113a; 8 build PEVE rosin production with annual output of 5000 tons; 9 produce 3000 tons of PVDF a year; 10 produce 2000 tons of fluorobenzene and 1000 tons of dichlor fluorbenzene a year; and 11 fluoride salt combine device with annual output of 3000 tons.

远期建设：6、ODS替代品HFC-152a年产1万吨联产HCFC-142b4000吨；7、年产HCFC-123产品7000吨、联产二氯三氟乙烷-113a产品3000吨；8、年产PEVE树脂5000吨生产线；9、年产3000吨PVDF氟碳涂料树脂；10、年产2000吨氟苯，二氯氟苯1000吨；11、年产3000吨氟化盐联产装置。

HPLC analytic method of fluorobenzene and 4-fluorobenzoic acid was established.

建立了氟苯和对氟苯甲酸的高效液相色谱分析方法。

The degradation of fluorobenzene by using ozonation process was studied, and the influences of pH value, initial concentration of fluorobenzene, ozone flux and reaction temperature on the reaction kinetics were investigated.

采用臭氧法降解含氟苯模拟废水。研究了氟苯降解的影响因素和动力学，考察了反应液初始pH值、反应物初始浓度、臭氧投量、反应温度对臭氧氧化降解氟苯反应速率的影响。

The method of using fluorine hydride to produce fluorobenzene is the best method,which overcomes the shortcoming of the Schiemann method,it can make the cost lower,reduce waste gas and raise recovery rate.

用无水氟化氢法生产氟苯是国内外最先进的方法，它克服了传统席曼法的缺点，它的显著优点是使成本降低、废气减少、收率提高，本文介绍了生产氟苯的两种主要方法的合成原理，重点介绍了无水氟化氢法生产氟苯的生产工艺过程及对所产生的废酸、污水、废渣的处理。

RESULTS: All aromatic anesthetics inhibited I at a holding potential which produce half-maximal current V(1/2; inhibition was modest with 1,3,5-trifluorobenzene (8%+/- 2%), pentafluorobenzene (13%+/- 2%), and hexafluorobenzene (13%+/- 2%), but greater with benzene (37%+/- 2%), fluorobenzene (39%+/- 2%), 1,2-difluorobenzene (48%+/- 2%), 1,4-difluorobenzene (31 +/- 3%), and 1,2,4-trifluorobenzene (33%+/- 1%).

结果：在最高电流的一半的控制电压下所有芳香族麻醉药都阻断钠电流；均苯三酚（8%+/- 2%）、戊苯(13%+/- 2%)、戌苯(13%+/- 2%)的抑制是适度的比苯(37%+/- 2%)、氟苯(39%+/- 2%)，1.2-二氟二苯(48%+/- 2%)，1，4-二氟二苯(31 +/- 3%)，和1，2，4三氟苯(33%+/- 1%)明显。

The results showed that the degrdation rate of fluorobenzene by TiO2/SnO2 coating rosed from 71.9% to 90.1% compared with pure TiO2 coating. The apparent rate constant k of the photocatalytic degradation is related to the initial concentration of fluorobenzene and the reaction order is zero. The corresponding degradation rate of aldehyde with the concentration of 100ppm rosed from 69.2% to 91.4% and the reaction order is one.

结果表明：与未改性涂料相比，SnO2改性涂料的活性对氟苯的降解率由71.9％提高到90.1％，反应表观速率常数与降解液初始浓度有关，光催化降解氟苯属于零级反应；对100ppm乙醛的降解率由69.2％提高到91.4％，光催化降解乙醛属于一级反应。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。